when i reading book,*ting!*i think out an brand new idea xD
new maze>
a)bomb forest
non pk map
many explorer sheep lv1-5 like in GA
mob drop normal gem
b)death forest
pk map
all death monster(like crus death or champ or other)(make them very strong)
drop +5 stat unique gem

now this 1 i copy from other private xD
c)death circle
non pk map
mob is all 75lvl n any mob also ok(but must to be can atk)
drop any any type of gem(only not gem like azreal/undead or feng def/bing dodge)

make them both every 3hrs open 30min xD